Sampling errors are introduced when responses are not obtained from all the members of the population. /

Steekproefnemingsfoute vind plaas wanneer terugvoer nie van elke lid in die populasie ontvang is nie.

Sampling and non-sampling errors can arise when a sample is taken from a population. /

Steekproefneming en nie-steekproefnemingsfoute kan plaasvind indien ʼn steekproef uit ʼn populasie geneem word.

Non-sampling errors are due to mistakes made in the acquisition of data or due to incorrect sampling methods. /

Nie-steekproefnemingsfoute is a.g.v. foute wat gedurende die data-insameling gemaak word of foutiewe steekproefnemingstegnieke.

Sampling errors refer to differences between the sample and the population that exist because only some observations are included in the sample. /

Steekproefnemingsfoute verwys na verskille tussen die steekproef en die populasie wat voorkom omdat slegs sommige waarnemings in die steekproef ingesluit is.